Sergei Barracuda, born Erik Peter on May 31, 1990 in Ostrava, is a Czech street rapper and producer. He started out with the Ostrava collective Fuerza Arma before joining the Azurit Kingdom label, where he recorded as part of the group AK. His extensive solo catalogue spans the Pouliční ekonomická trilogy, the Medusa series, and more recent albums including Růst & Prosperita (2023) and 713 až na věky (2024). In 2021 he won the award for best Czech music video for the single "Budem se mít fajn", and in 2022 he appeared as himself in Adam Sedlák's film BANGER.
In 2026, he released new singles Tempo (with Dokkeytinem) and Noci beze jména.
In 2025, he released the single Antarktida in collaboration with Luca Brassi10x, which exceeded 2.3 million plays on YouTube.
In December 2025, he performed a concert at the Prague club Radost FX.
On August 4, 2024, he won the beatmaker competition of American producer Zaytovena, which had over a thousand participants.
In 2024, he released the album 713 až na věky and the single Ostrava, which samples a song by Jaromír Nohavica.
